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* * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess isChristopher Faylor2004-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | starting. * child_info.h (init_child_info): Remove pid argument from declaration. * cygheap.h (init_cygheap::pid): New element. * dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter in child_info struct. Set forkee to 'true' rather than cygpid since the pid value was never used. (dll_crt0_1): Ditto. (_dll_crt0): Ditto. * fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork call now. (fork_parent): Remove obsolete pid argument from init_child_info call. Don't do anything special with cygpid when DEBUGGING. (fork): Delay all signals during fork. (fork_init): Don't do anything special when DEBUGGING. * pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap. (pinfo_init): Don't pass pid argument to set_myself. * sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as sendsig. (init_child_info): Eliminate handling of pid. (wait_sig): Implement method to temporarily hold off sending signals. * sigproc.h (__SIGHOLD): New enum. (__SIGNOHOLD): Ditto. * spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info call.
* Regularize most strace_prints throughout so that %E is always preceded by aChristopher Faylor2004-09-031-7/+6
| | | | comma and elminate most uses of "foo = %s" to "foo %s".
* * mmap.cc (mmap_record::alloc_page_map): Mark pages as allocated evenCorinna Vinschen2004-07-161-10/+13
| | | | on Windows 9x, FWIW.
* * mmap.cc (mprotect): When MAP_WRITE protection is requested, useCorinna Vinschen2004-07-151-2/+18
| | | | | READWRITE or WRITECOPY protection, whatever has been used when the page has been allocated initially.
* * mmap.cc (class mmap_record): Fix return type of get_offset.Corinna Vinschen2004-07-151-4/+4
| | | | | | (mmap_record::fixup_page_map): Fix off by one error. (list::search_record): Use long as type of "start" argument in both, declaration and definition. Use long as type for local variable "i".
* * miscfuncs.cc (check_invalid_virtual_addr): Assure the last pageCorinna Vinschen2004-02-261-1/+0
| | | | | in the range is always tested. Add appropriate const. * mmap.cc (mmap_record::aloc_fh): Remove unused static path_conf object.
* * miscfuncs.cc (check_invalid_virtual_addr): New function.Corinna Vinschen2004-02-251-1/+1
| | | | | | * winsup.h (check_invalid_virtual_addr): Declare. * mmap.cc (munmap): Call check_invalid_virtual_addr instead of IsBadReadPtr.
* * debug.h (console_printf): Define for non-debugging condition.Christopher Faylor2004-02-091-1/+1
| | | | | | | | | | | | | | * cygtls.h (_threadinfo::lock): Remove wait argument. (_threadinfo::interrupt_setup): Remove retaddr argument. * exceptions.cc (_threadinfo::interrupt_setup): Ditto. (_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument. (setup_handler): Ditto. Always lock sig stack prior to determining interrupt method. * gendef (_sigfe): Correct thinko regarding cmpxchg. (_sigbe): Ditto. (_threadinfo::lock): Ditto. (_threadinfo::pop): Eliminate left-over stack unlock. * sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
* Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,Christopher Faylor2003-12-071-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | throughout. * tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit some comments. * cygheap.h (init_cygheap::ctty): Add new element. * devices.in (device::parse): Remove special handling for /dev/tty. * devices.cc: Regenerate. * dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener do that. * fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class. * fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting noninherit flag for ctty. * tty.h: Move BOOLs to bools. (tty_min::set_ctty): Redeclare to _pinfo class. * pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty. Change first argument from tty number to tty_min class. * pinfo.h (_pinfo::set_ctty): Declare. * fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of set_ctty to _pinfo class. * fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use saved cygheap value if it exists. Otherwise convert to real device and save on first time open. (fhandler_tty_common::dup): Potentially set controlling tty if duping a slave tty. * syscalls.cc (setsid): Close controlling tty in cygheap. * tty.cc: Change some BOOLs to bools.
* Substitute 0x7fffffff and 0xffffffff by INT32_MAX and UINT32_MAXCorinna Vinschen2003-12-031-1/+1
| | | | throughout, except in assembler code.
* Eliminate use of sigframe and sigthread throughout.Christopher Faylor2003-11-281-13/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def file on the fly using 'gendef'. * configure.in: Don't auto-generate cygwin.def. * configure: Regenerate. * cygwin.din: Add SIGFE stuff where appropriate. * dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set _main_tls to address of the main thread's cygwin tls. * debug.h: Remove now unneeded WFSO and WFMO declarations. * exceptions.cc (_last_thread): Define. (set_thread_state_for_signals): New function. (reset_thread_exception_for_signals): Ditto. (init_thread_for_signals): Ditto. (delete_thread_for_signals): Ditto. (capture_thread_for_signals): Ditto. (handle_exceptions): Set return address explicitly for exceptions prior to calling sig_send. (interrupt_on_return): Eliminate. (setup_handler): Add preliminary implementation for dealing with thread-specific signals by querying _main_tls. (signal_exit): Use cygthread::main_thread_id instead of mainthread.id. (call_signal_handler_now): For now, just handle the main thread. * fork.cc (vfork): Save and restore main _my_tls. * gendef: New file. Generates def file and sigfe.s file. * gentls_offsets: New file. Generates offsets for perl to use in sigfe.s. * how-signals-work.txt: Mention that info is obsolete. * init.cc (dll_entry): Initialize cygwin tls storage here. * miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from asm. * perthread.h (vfork_save::tls): New element. * signal.cc (nanosleep): Replace previous use of sigframe.call_signal_handler_now with straight call to call_signal_handler_now. (abort): Ditto. * syscalls.cc (readv): Ditto. * termios.cc (tcsetattr): Ditto. * wait.cc (wait4): Ditto. * sigproc.cc (sig_dispatch_pending): Ditto. (sig_send): Ditto. * sigproc.h: Declare call_signal_handler_now. * thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove obsolete and unworking signal stuff. * thread.h (verifyable_object::sigs): Eliminate. (verifyable_object::sigmask): Eliminate. (verifyable_object::sigtodo): Eliminate. (verifyable_object::exit): Make attribute noreturn. (verifyable_object::thread_init_wrapper): Ditto. (pthread_null::exit): Ditto. * winbase.h (__stackbase): Always define. * winsup.h (low_priority_sleep): Declare as a "C" function. * include/cygwin/version.h: Bump API version to reflect sigwait export. * include/sys/queue.h: Protect SLIST_ENTRY from previous declaration. * signal.cc (sigwait): Implement. * select.cc (fhandler_base::ready_for_read): Add debugging output. * devices.h: Define more device pointers via their storage. * devices.in: Don't parse things like /dev/inet/tcp, as they really have no meaning. * devices.cc: Regenerate. * gendevices: Set proper protection for output file. * cygtls.h: New file. * gendef: New file. * gentls_offsets: New file. * tlsoffsets.h: New file. Autogenerated. * config/i386/longjmp.c: Remove. File subsumed by gendef output. * config/i386/makefrag: Remove obsolete file. * fhandler.cc: Remove spurious access_worker declaration. * spawn.cc (spawnve): Make debugging output more accurate. * cygwin-gperf: Remove. * devices.cc: Remove.
* 2003-11-11 Robert Collins <rbtcollins@hotmail.com>Robert Collins2003-11-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ron Parker <rdparker@butlermfg.com> * bsdlib.cc: Update throughout to use CYG_MAX_PATH rather than MAX_PATH. * cygheap.h: Ditto. * dcrt0.cc: Ditto. * delqueue.cc: Ditto. * dlfcn.cc: Ditto. * dll_init.cc: Ditto. * dll_init.h: Ditto. * dtable.cc: Ditto. * environ.cc: Ditto. * environ.h: Ditto. * exceptions.cc: Ditto. * external.cc: Ditto. * fhandler_disk_file.cc: Ditto. * fhandler_proc.cc: Ditto. * fhandler_process.cc: Ditto. * fhandler_raw.cc: Ditto. * fhandler_registry.cc: Ditto. * fhandler_socket.cc: Ditto. * fhandler_virtual.cc: Ditto. * miscfuncs.cc: Ditto. * mmap.cc: Ditto. * netdb.cc: Ditto. * path.cc: Ditto. * path.h: Ditto. * pinfo.cc: Ditto. * pinfo.h: Ditto. * pthread.cc: Ditto. * registry.cc: Ditto. * shared.cc: Ditto. * shared_info.h: Ditto. * smallprint.c: Ditto. * spawn.cc: Ditto. * strace.cc: Ditto. * syscalls.cc: Ditto. * thread.h: Ditto. * uinfo.cc: Ditto. * winsup.h: Ditto. * include/limits.h: Ditto. * include/cygwin/config.h: Ditto. * include/sys/param.h: Ditto.
* * syscalls.cc (getshmlba): New function.Corinna Vinschen2003-11-061-7/+1
| | | | | | | | * external.cc (cygwin_internal): Add CW_GET_SHMLBA handling. * mmap.cc (mmap64): Call getshmlba to evaluate granularity. * winsup.h (getshmlba): Add declaration. * include/cygwin/version.h: Bump API minor number. * include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_SHMLBA.
* * mmap.cc (munmap): Use correct address and length parameters whenCorinna Vinschen2003-09-261-3/+6
| | | | calling fhandler's munmap.
* * devices.cc: New file.Christopher Faylor2003-09-251-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * devices.gperf: New file. * devices.shilka: New file. * cygwin-gperf: New file. * cygwin-shilka: New file. * fhandler_fifo.cc: New file. * fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes fhandler.h throughout. Remove device argument and unit arguments from fhandler constructors throughout. Remove pc arguments to fhandler functions and use internal pc element instead, throughout. Use dev element in pc throughout. Use major/minor elements rather than units and device numbers previously in fhandler class. Use correct methods for fhandler file names rather than directly accessing file name variables, throughout. * Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o * dcrt0.cc (dll_crt0_1): Call device::init. * devices.h: Renumber devices based on more Linux-like major/minor numbers. Add more devices. Declare standard device storage. (device): Declare struct. * dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type. * dtable.cc (dtable::get_debugger_info): Ditto. (cygwin_attach_handle_to_fd): Ditto. (dtable::release): Remove special FH_SOCKET case in favor of generic "need_fixup_before" test. (dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name to build standard fhandler. (dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move out of dtable class. Don't accept a path_conv argument. Just build it here and pass it to: (build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class. Use intrinsic device type in path_conv to create new fhandler. (build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class. Simplify arguments to just take new 'device' type and a name. Just return pointer to fhandler rather than trying to insert into dtable. (dtable::dup_worker): Accommodate above build_fh name changes. (dtable::find_fifo): New (currently broken) function. (handle_to_fn): Use strechr for efficiency. * dtable.h: Reflect above build_fh name changes and argument differences. (fhandler_base *&operator []): Return self rather than copy of self. * fhandler.cc (fhandler_base::operator =): Use pc element to set normalized path. (fhandler_base::set_name): Ditto. (fhandler_base::raw_read): Use method to access name. (fhandler_base::write): Correctly use get_output_handle rather than get_handle. (handler_base::device_access_denied): New function. (fhandler_base::open): Eliminate pc argument and use pc element of fhandler_base throughout. (fhandler_base::fstat): Detect if device is based in filesystem and use fstat_fs to calculate stat, if so. (fhandler_base::fhandler_base): Eliminate handling of file names and, instead, just free appropriate component from pc. (fhandler_base::opendir): Remove path_conv parameter. * fhandler.h: Remove all device flags. (fhandler_base::pc): New element. (fhandler_base::set_name): Change argument to path_conv. (fhandler_base::error): New function. (fhandler_base::exists): New function. (fhandler_base::pc_binmode): New function. (fhandler_base::dev): New function. (fhandler_base::open_fs): New function. (fhandler_base::fstat_fs): New function. (fhandler_base::fstat_by_name): New function. (fhandler_base::fstat_by_handle): New function. (fhandler_base::isfifo): New function. (fhandler_base::is_slow): New function. (fhandler_base::is_auto_device): New function. (fhandler_base::is_fs_special): New function. (fhandler_base::device_access_denied): New function. (fhandler_base::operator DWORD&): New operator. (fhandler_base::get_name): Return normalized path from pc. (fhandler_base::get_win32_name): Return windows path from pc. (fhandler_base::isdevice): Renamed from is_device. (fhandler_base::get_native_name): Return device format. (fhandler_fifo): New class. (fhandler_nodevice): New class. (select_stuff::device_specific): Remove array. (select_stuff::device_specific_pipe): New class element. (select_stuff::device_specific_socket): New class element. (select_stuff::device_specific_serial): New class element. (select_stuff::select_stuff): Initialize new elements. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class from fhandler_disk_file. (fhandler_base::fstat_by_name): Ditto. (fhandler_base::fstat_by_name): Ditto. (fhandler_disk_file::open): Move most functionality into fhandler_base::open_fs. (fhandler_base::open_fs): New function. (fhandler_disk_file::close): Move most functionality into fhandler_base::close_fs. (fhandler_base::close_fs): New function. * fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging output. * fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard urandom device into appropriate place. (fhandler_socket::accept): Reflect change in fdsock return value. * fhandler_tty.cc: See "throughouts" above. * net.cc: Accommodate fdsock change throughout. (fdsock): Return success or failure, accept fd argument and device argument. * path.cc (symlink_info::major): New element. (symlink_info::minor): New element. (symlink_info::parse_device): Declare new function. (fs_info::update): Accommodate changes in path_conv class. (path_conv::fillin): Ditto. (path_conv::return_and_clear_normalized_path): Eliminate. (path_conv::set_normalized_path): New function. (path_conv::path_conv): Set info in dev element. Use path_conv methods Check for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff. where appropriate rather than direct access. Use set_normalized_path to set normalized path. (windows_device_names): Eliminate. (get_dev): Ditto. (get_raw_device_number): Ditto. (get_device_number): Ditto. (win32_device_name): Call new device name parser to do most of the heavy lifting. (mount_info::conv_to_win32_path): Fill in dev field as appropriate. (symlink_worker): Handle new device files. (symlink_info::check): Ditto. (symlink_info::parse_device): Define new function. * path.h (executable_states): Move here from fhandler.h. (fs_info): Rename variables to *_storage and create methods for accessing same. (path_conv): Add dev element, remove devn and unit and adjust inline methods to accommodate. (set_normalized_path): Declare new function. * pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos. (_pinfo::commune_send): Ditto. * pipe.cc (fhandler_pipe::close): check for existence of handle before closing it. (handler_pipe::create): Rename from make_pipe. Change arguments to accept fhandler_pipe array. Accommodate fifos. (pipe): Rework to deal with fhandler_pipe::create changes. (_pipe): Ditto. * select.cc: Use individual device_specific types throughout rather than indexing with obsolete device number. (set_bits): Use is_socket call rather than checking device number. * shared_info.h (CURR_MOUNT_MAGIC): Update. (conv_to_win32_path): Reflect addition of device argument. * syscalls.cc (mknod_worker): New function. (open): Use build_fh_name to build fhandler. (chown_worker): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (chmod_device): New function. (chmod): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. Use chmod_device to set mode of in-filesystem devices. (stat_worker): Eliminate path_conv argument. Call build_fh_name to construct fhandler. Use fh->error() rather than pc->error to detect errors in fhandler construction. (access_worker): New function pulled from access. Accommodate in-filesystem devices. (access): Use access_worker. (fpathconf): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (mknod_worker): New function. (mknod32): New function. (chroot): Free normalized path -- assuming it was actually cmalloced. * tty.cc (create_tty_master): Tweak for new device class. (tty::common_init): Ditto. * winsup.h (stat_worker): Remove. (symlink_worker): Declare. * exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't worry about pending_signals since sig_dispatch_pending should always do the right thing now. (sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3. * pinfo.h: Move __SIG enum to sigproc.h. (PICOM_FIFO): New enum element. (_pinfo): Remove 'thread2signal' stuff throughout class. (_pinfo::commune_send): Make varargs. (_pinfo::sigtodo): Eliminate. (_pinfo::thread2signal): Ditto. * signal.cc (kill_worker): Eliminate call to setthread2signal. * sigproc.cc (local_sigtodo): Eliminate. (getlocal_sigtodo): Ditto. (sigelem): New class. (pending_signals): New class. (sigqueue): New variable, start of sigqueue linked list. (sigcatch_nonmain): Eliminate. (sigcatch_main): Eliminate. (sigcatch_nosync): Eliminate. (sigcomplete_nonmain): Eliminate. (pending_signals): Eliminate. (sig_clear): Call signal thread to clear pending signals, unless already in signal thread. (sigpending): Call signal thread to get pending signals. (sig_dispatch_pending): Eliminate use of pending_signals and just check sigqueue. (sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close signal pipe handle. (sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send signals. (getevent): Eliminate. (pending_signals::add): New function. (pending_signals::del): New function. (pending_signals::next): New function. (wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to communicate and maintain a linked list of signals. * sigproc.h: Move __SIG defines here. Add __SIGPENDING. (sig_dispatch_pending): Remove "C" specifier. (sig_handle): Accept a mask argument. * thread.cc: Remove signal handling considerations throughout.
* * mmap.cc (mmap64): Change address types from caddr_t to void *Corinna Vinschen2003-09-091-68/+69
| | | | | | | | | according to SUSv3. (mmap): Ditto. (munmap): Ditto. (msync): Ditto. (mprotect): Ditto. Move to before the fhandler methods. * include/sys/mman.h: Change prototypes accordingly.
* * mmap.cc: Restructure. Add, remove and rewrite comments throughoutCorinna Vinschen2003-09-041-257/+288
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | for better readability. Change function names for better understanding. (MAP_SET): Accomodate name change from map_map_ to page_map_. (MAP_CLR): Ditto. (MAP_ISSET): Ditto. (mmap_record::page_map_): Rename from page_map_. (mmap_record::get_map): Remove. (mmap_record::alloc_page_map): Rename from alloc_map. Return bool indicating success of cygheap memory allocation. (mmap_record::free_page_map): Rename from free_map. (mmap_record::fixup_page_map): Rename from fixup_map. (mmap_record::find_unused_pages): Rename from find_empty. (mmap_record::map_pages): Rename from map_map. (mmap_record::unmap_pages): Rename from unmap_map. (class list): Make all class members private. (list::list): Remove. (list::~list): Remove. (list::get_fd): New attribute reader. (list::get_hash): Ditto. (list::get_record): Ditto. (list::add_record): Manage all allocation for mmap_records. Check for failed memory allocation and return NULL if so. (list::set): New function. (list::del_record): Rename from erase. Return true if last mmap_record has been deleted, false otherwise. Check for legal incoming index value. (list::erase): Remove erase/0. (list::search_record): Rename from match. (map::map): Remove. (map::~map): Remove. (map::add_list): Manage all allocation for lists. Check for failed memory allocation and return NULL if so. (map::get_list): New method. (map::del_list): Rename from erase. Check for legal incoming index value. (mmap64): Check for failed mmap_record memory allocation. Return with MAP_FAILED and errno set to ENOMEM if so. (munmap): Rearrange loop using new list and mmap_record accessor functions. Rename loop index variables for better understanding. Check if list can be deleted after last mmap_record in it has been deleted. (msync): Rearrange loop using new list and mmap_record accessor functions. Rename loop index variables for better understanding. (fixup_mmaps_after_fork): Ditto.
* * cygheap.h (enum cygheap_types): Add HEAP_MMAP.Christopher Faylor2003-08-231-9/+9
| | | | | (CYGHEAPSIZE): Add another 64K. * mmap.cc: Use cmalloc, ccalloc and crealloc with HEAP_MMAP type throughout.
* * mmap.cc (mmap64): Avoid crash if file size is less than requestedCorinna Vinschen2003-08-151-1/+1
| | | | map length.
* * exceptions.cc (ctrl_c_handler): Send SIGHUP when events occur only if thereChristopher Faylor2003-07-261-3/+3
| | | | | | | | | | | | is a tty associated with the process. Send SIGHUP on CTRL_LOGOFF_EVENT. * fhandler_tty.cc (fhandler_tty_slave::open): Adjust console open handle counter regardless of whether this is a pty or tty. (fhandler_tty_slave::open): Ditto. (fhandler_tty_slave::dup): Ditto. (fhandler_tty_common::set_close_on_exec): Ditto. (fhandler_tty_master::init_console): Decrement console open handle counter after init since it will now be handled by all tty open. * syscalls.cc (setsid): Rework debugging output slightly.
* * mmap.cc: Use proper format specifiers for _off64_t and size_t inCorinna Vinschen2003-07-211-9/+9
| | | | | format strings passed to syscall_printf () and debug_printf () throughout.
* * mmap.cc (list::match): Add parameters to return valid address andCorinna Vinschen2003-07-051-24/+42
| | | | | | | | | | length back to munmap(). Evaluate intersection between given area and mapped area and return it, if any. (mmap64): On regular files, don't allow mappings beginning beyond EOF. Return with errno set to ENXIO instead. (munmap): Rewrite SUSv3 conformant. Check if given memory area is valid. Unmap all maps inside given memory area. Don't return error if no mapping has been unmapped.
* * mmap.cc (fhandler_disk_file::mmap): Fix address test.Corinna Vinschen2003-07-041-1/+1
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* * mmap.cc (mmap64): Allow MAP_FIXED with pagesize granularity (4K).Corinna Vinschen2003-07-031-7/+17
| | | | | | | If a non-zero addr is given, align it to the next lower 64K boundary. (fhandler_disk_file::mmap): If a non-zero address is given, try mapping using the given address first. If it fails and flags is not MAP_FIXED, try again with NULL address.
* Throughout, remove "include <errno.h>" from files which already includeChristopher Faylor2003-06-161-1/+0
| | | | | | | | | | | | | | | | | | | cygerrno.h. * include/cygwin/config.h (__DYNAMIC_REENT__): Define. * include/cygwin/version.h: Bump API minor version. * cygwin.din: Export __getreent * cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly to store the errno value. * debug.cc (__set_errno): Ditto. * errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled. * signal.cc: Rename _reent_clib to _REENT throughout. * thread.h (reent_clib): Remove prototype. * thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr until MTinterface is initialized. (reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead. * MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep signal handling running when fork is called from a thread other than the mainthread.
* * dir.cc: Change __off32_t to _off_t and __off64_t to _off64_tCorinna Vinschen2003-04-011-21/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | throughout. * fhandler.cc: Ditto. * fhandler.h: Ditto. * fhandler_clipboard.cc: Ditto. * fhandler_disk_file.cc: Ditto. * fhandler_dsp.cc: Ditto. * fhandler_floppy.cc: Ditto. * fhandler_mem.cc: Ditto. * fhandler_proc.cc: Ditto. * fhandler_process.cc: Ditto. * fhandler_random.cc: Ditto. * fhandler_registry.cc: Ditto. * fhandler_tape.cc: Ditto. * fhandler_termios.cc: Ditto. * fhandler_virtual.cc: Ditto. * fhandler_zero.cc: Ditto. * mmap.cc: Ditto. * pipe.cc: Ditto. * syscalls.cc: Ditto. * winsup.h: Ditto. * include/cygwin/stat.h: Ditto. * include/cygwin/types.h: Ditto. Remove definition of __off32_t and __off64_t.
* whitespace cleanupChristopher Faylor2003-03-091-8/+8
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* Do some minor reformatting of 'extern "C"' use throughout.Christopher Faylor2003-03-091-10/+5
| | | | | | | | | | | | | * autoload.cc (GetSystemTimes): Define new autoload function. * fhandler_proc.cc (proc_listing): Add cpuinfo and partitions entries. (fhandler_proc::fill_filebuf): Add PROC_CPUINFO and PROC_PARTITIONS cases. (format_proc_uptime): Use GetSystemTimes if available. (read_value): New macro. (print): New macro. (cpuid): New function. (can_set_flag): New function. (format_proc_cpuinfo): New function. (format_proc_partitions): New function.
* * mmap.cc (mmap64): Fix returned address by taking the granularityCorinna Vinschen2003-02-251-1/+1
| | | | into account.
* * mmap.cc (mprotect): Add missing break.Corinna Vinschen2003-02-141-0/+1
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* * mmap.cc (mmap_record::alloc_map): De-inline. Add offset and lengthCorinna Vinschen2003-02-071-104/+104
| | | | | | | | | | | | | | | | parameter. Only protect pages actually unused currently. Do job of map_map() when initializing a map. (mmap_record::map_map): Reduce functionality for the reuse case of private anonymous mapping. (mmap_record::fixup_map): Format change. (list::add_record): Add offset and length parameter to call mmap_record::alloc_map() correctly. (mmap64): Rename `l' variable to `map_list'. Accomodate above changes. (munmap): Rename `l' variable to `map_list'. (msync): Ditto. (fhandler_disk_file::mmap): Streamline code. (mprotect): Ditto. (fixup_mmaps_after_fork): Rename `l' variable to `map_list'.
* * mmap.cc (fixup_mmaps_after_fork): Add ERROR_NOACCESS to the list ofCorinna Vinschen2003-01-161-2/+4
| | | | | ReadProcessMemory() error codes that trigger a retry with temporary PAGE_READONLY access. Note that this can occur on NT 4.0.
* * autoload.cc: Fix copyright date.Corinna Vinschen2003-01-151-1/+1
| | | | | | | | | | | * fhandler_dsp.cc: Ditto. * mmap.cc: Ditto. * net.cc: Ditto. * ntdll.h: Ditto. * signal.cc: Ditto. * syscalls.cc: Ditto. * uname.cc: Ditto. * wait.cc: Ditto.
* * mmap.cc (fixup_mmaps_after_fork): Copy protection to child process.Corinna Vinschen2003-01-141-7/+15
| | | | Change ambiguous debug output.
* * mmap.cc (mmap_record::access): Change argument type to caddr_tCorinna Vinschen2003-01-141-6/+51
| | | | | | | | | for strictness. (mprotect): Protect against calling VirtualProtect() for shared pages on 9x/Me. (fixup_mmaps_after_fork): If ReadProcessMemory() fails, try to change protection of parent page to PAGE_READONLY, then try again. Revert protection afterwards.
* Change _function() to function() throughout.Christopher Faylor2002-10-211-5/+8
| | | | | | | | | | | | | | | | | | * cygwin.din: Remove last vestiges (?) of newlib wrappers. * cygthread.cc (cygthread::detach): Always wait for event or suffer an apparently inavoidable race. * dcrt0.cc (dll_crt0_1): Allocate threads after stack has been relocated. * debub.cc (lock_debug): Don't acquire lock on exit. * fork.cc (fork_child): Recreate mmaps before doing anything else since Windows has a habit of using blocks of memory in the child that could previously have been occupied by shared memory in the parent. * mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here and provide some details about what went wrong. (fixup_mmaps_after_fork): Remove error message. * shared.cc (open_shared): Move warning message so that more detail is possible. * sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a race. (sigproc_terminate): Specifically wait for process thread to terminate.
* * errno.cc (errmap): Map ERROR_INVALID_ADDRESS to new errno codeCorinna Vinschen2002-09-241-6/+4
| | | | | | | | EOVERFLOW. (_sys_errlist): Add entries for EILSEQ and EOVERFLOW. (strerror): Ditto. * mmap.cc (map_map): Set errno in case of error. (mmap64): Remove setting errno explicitely to ENOMEM.
* * mmap.cc (map_map): Add debug output.Corinna Vinschen2002-09-241-1/+2
| | | | (mmap64): Evaluate gran_len correctly even if offset isn't 0.
* More GNUify non-GNU formatted functions calls throughout.Christopher Faylor2002-09-231-6/+6
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* * fhandler.cc (fhandler_base::dup): Don't set handle on failure. Caller hasChristopher Faylor2002-09-221-18/+18
| | | | | | | already taken care of that. * fhandler_console.cc (fhandler_console::open): Initialize handles to NULL. (fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls throughout.
* * mmap.cc (list::match): Check using pagesize aligned size.Corinna Vinschen2002-06-271-4/+6
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* Remove unneeded sigproc.h includes throughout.Christopher Faylor2002-06-021-1/+0
| | | | | | | | | | | | | * fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument. * fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for given pid. (fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid list. * fhandler_process.cc (fhandler_process::open): Simplify search for given pid. Call fill_filebuf with pinfo argument. (fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists. * pinfo.h (pinfo::remember): Define differently if sigproc.h is not included. * dll_init.cc (dll_list::detach): Don't run destructor on exit.
* * autoload.cc (LoadFuncEx): Define via new LoadFuncEx2 macro.Christopher Faylor2002-05-281-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (LoadFuncEx2): Adapted from LoadFuncEx. Provides control of return value for nonexistent function. (NtQueryObject): Declare. (IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not available. * debug.h (being_debugged): Just rely on IsDebuggerPresent return value. * dtable.cc (handle_to_fn): New function. (dtable::init_std_file_from_handle): Attempt to derive std handle's name via handle_to_fn. (dtable::build_fhandler_from_name): Fill in what we can in path_conv structure when given a handle and path doesn't exist. * fhandler.cc (fhandler_base::open): Don't set the file pointer here. Use pc->exists () to determine if file exists rather than calling GetFileAttributes again. * fhandler.h (fhandler_base::exec_state_isknown): New method. (fhandler_base::fstat_helper): Add extra arguments to declaration. (fhandler_base::fstat_by_handle): Declare new method. (fhandler_base::fstat_by_name): Declare new method. * fhandler_disk_file (num_entries): Make __stdcall. (fhandler_base::fstat_by_handle): Define new method. (fhandler_base::fstat_by_name): Define new method. (fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate. (fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat structure. Move handle or name specific stuff to new methods above. (fhandler_disk_file::open): Use real_path->exists rather than calling GetFileAttributes again. * ntdll.h (FILE_NAME_INFORMATION): Define new structure. (OBJECT_INFORMATION_CLASS): Partially define new enum. (OBJECT_NAME_INFORMATION): Define new structure. (NtQueryInformationFile): New declaration. (NtQueryObject): New declaration. * path.cc (path_conv::fillin): Define new method. * path.h (path_conv::fillin): Declare new method. (path_conv::drive_thpe): Rename from 'get_drive_type'. (path_conv::volser): Declare new method. (path_conv::volname): Declare new method. (path_conv::root_dir): Declare new method. * syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
* Remove unneeded sync.h, where appropriate, throughout. Remove unneeded heap.h,Christopher Faylor2002-05-251-1/+0
| | | | | | where appropriate, throughout. Remove unneeded exceptions.h, where appropriate, throughout. Remove unneeded perprocess.h, where appropriate, throughout.
* * dtable.cc (dtable::build_fhandler_from_name): Just pass posix path along toChristopher Faylor2002-05-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | set_name via return_and_clear_normalized_path. (dtable::build_fhandler): New method with const char * argument. (dtable::reset_unix_path_name): Eliminate. (dtable::dup_worker): Use correct build_fhandler method. * mmap.cc (mmap_record::alloc_fh): Ditto. * dtable.h (dtable::build_fhandler): New method. (dtable::reset_unix_path_name): Eliminate. * fhandler.cc (fhandler_base::set_name): Assume that unix_name has already been cmalloced. (fhandler_base::reset_unix_path_name): Eliminate. (fhandler_base::~fhandler_base): Coercion for cfree. * fhandler.h (fhandler_base::unix_path_name): Make const char *. (fhandler_base::win32_path_name): Ditto. (fhandler_base::reset_unix_path_name): Eliminate. * fhandler_disk_file.cc (fhandler_cygdrive::set_drives): Accommodate const char *ness of win32_path_name. * fhandler_socket.cc (fhandler_socket::fstat): Accommodate new set_name requirements. * path.cc (path_conv::return_and_clear_normalized_path): New method. (path_conv::clear_normalized_path): Eliminate. (path_conv::~path_conv): Ditto. (path_conv::check): Accommodate new build_fhandler method. * path.h (path_conv::~path_conv): Eliminate. (path_conv::clear_normalized_path): Ditto. (path_conv::return_and_clear_normalized_path): Declare new method.
* * mmap.cc (mmap_record::map_map): Return -1 if VirtualProtect fails.Corinna Vinschen2002-03-131-4/+31
| | | | | | (list::erase): New method with no argument. Erase latest record added. (mmap64): Fail if map_map() fails.
* * mmap.cc (msync): Check area given by addr and len for being aCorinna Vinschen2002-03-111-4/+9
| | | | contigeous mmap'd region.
* * fork.cc (fork_child): Call fixup_mmaps_after_fork() beforeCorinna Vinschen2002-03-111-1/+25
| | | | | | | | | closing parent process handle. Call fixup_mmaps_after_fork() with parent process handle as parameter. * mmap.cc (mmap_record::access): New method. (fixup_mmaps_after_fork): Take process handle as parameter. In case of FILE_MAP_COPY access, copy valid memory regions to child. * pinfo.h (fixup_mmaps_after_fork): Change prototype accordingly.
* * cygwin.din (fstat64): New symbol.Corinna Vinschen2002-02-251-19/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (ftruncate64): Ditto. (lseek64): Ditto. (lstat64): Ditto. (mmap64): Ditto. (seekdir64): Ditto. (stat64): Ditto. (telldir64): Ditto. (truncate64): Ditto. * dir.cc (telldir64): New function. (telldir): Call telldir64(). (seekdir64): New function. (seekdir): Call seekdir64(). * fhandler.h: Redefine all methods using __off32_t to use __off64_t. * fhandler.cc: Use __off64_t and struct __stat64 throughout. * fhandler_clipboard.cc: Ditto. * fhandler_disk_file.cc: Ditto. * fhandler_dsp.cc: Ditto. * fhandler_floppy.cc: Ditto. * fhandler_mem.cc: Ditto. * fhandler_random.cc: Ditto. * fhandler_socket.cc: Ditto. * fhandler_tape.cc: Ditto. * fhandler_zero.cc: Ditto. * pipe.cc: Ditto. * glob.c: Ditto, call lstat64 and stat64 in Cygwin. * mmap.cc: Use __off64_t throughout. (mmap64): New function. * sec_acl.cc (acl_worker): Use struct __stat64, call stat64 and lstat64. * syscalls.cc (lseek64): New function. (stat64_to_stat32): Ditto. (fstat64): Ditto. (stat64): Ditto. (lstat64): Ditto. (ftruncate64): Ditto. (truncate64): Ditto. (_fstat): Call fstat64. (_stat): Call stat64. (cygwin_lstat): Rename to avoid declaration problem. Call lstat64. (stat_worker): Use struct __stat64. (access): Ditto. (ftruncate): Call ftruncate64. (truncate): Call truncate64. * wincap.cc: Set flag has_64bit_file_access appropriately. * wincap.h: Add flag has_64bit_file_access. * winsup.h (ILLEGAL_SEEK): Define as __off64_t. (stat_dev): Declare using struct __stat64. (stat_worker): Ditto. * include/cygwin/stat.h (struct __stat32): Define if compiling Cygwin. (struct __stat64): Ditto. (struct stat): Revert definition with explicitly sized datatypes. Eliminate sized field names. * include/cygwin/types.h (blksize_t): New type. (__blkcnt32_t): Ditto. (__blkcnt64_t): Ditto. (blkcnt_t): Ditto.
* * sync.h (new_muto): Just accept an argument which denotes the name of theChristopher Faylor2002-02-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
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